Podcast
Questions and Answers
What suffix is used to designate benign tumors?
What suffix is used to designate benign tumors?
- -sarcoma
- -carcinoma
- -oma (correct)
- -adenocarcinoma
In which type of cell do benign tumors arise?
In which type of cell do benign tumors arise?
- Blood cells
- Epithelial cells (correct)
- Skeletal muscle
- Nerve cells
What is an example of a benign tumor arising in skeletal muscle?
What is an example of a benign tumor arising in skeletal muscle?
- Leiomyoma
- Adenoma
- Lipoma
- Rhabdomyoma (correct)
What type of tumor is designated by attaching the suffix -carcinoma?
What type of tumor is designated by attaching the suffix -carcinoma?
What is the suffix used for designating malignant tumors arising from connective tissue or muscle?
What is the suffix used for designating malignant tumors arising from connective tissue or muscle?
Which of the following is a characteristic of benign tumors?
Which of the following is a characteristic of benign tumors?
What is the term for a benign tumor composed of glandular tissue?
What is the term for a benign tumor composed of glandular tissue?
Which of the following is a characteristic of malignant tumors?
Which of the following is a characteristic of malignant tumors?
Study Notes
Neoplasia
- Neoplasia literally means "new growth"
- A neoplasm is equivalent to a tumor
- Tumor means swelling, often used interchangeably with neoplasm in clinical settings
- Oncology is the study of tumors, derived from "oncos" meaning tumor and "ology" meaning study of
Classification of Tumors
- Tumors are classified into two categories: benign and malignant, based on their potential clinical behavior
- Benign tumors:
- Remain localized
- Can be removed surgically
- Patients generally survive
- Malignant tumors:
- Can invade and destroy adjacent structures
- Can cause death if left untreated
- Characterized by the ability to metastasize (spread to distant sites)
Characteristics of Tumors
- All tumors have two basic components:
- Parenchyma: made up of transformed or neoplastic cells, determines the biological behavior of the tumor and gives the tumor its name
- Stroma: made up of non-neoplastic connective tissue, blood vessels, and host-derived inflammatory cells
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Description
Explore the meaning of neoplasia, tumors, and the study of tumors in the field of oncology. Understand the classification of tumors into benign and malignant categories based on their potential clinical behavior.
